F o g is how it's written with the -3 it means
f(g(-3))=what
so first -3 into g(x)
g(-3)=-4(-3)
g(-3)=12
sub for x in f(x)
f(12)=-3(12)^2-5
f(12)=-3(144)-5
f(12)=-432-5
f(12)=-437
To find the decimal of a fraction, divide the numerator by the denominator to find the decimal
4÷5=.8
Answer: .8
The answer will be 69.3÷4. Hope it help!
2x+4=10-4x
-2x+4=10
-2x=6
X=-3